Thor Forums

[TurnerFam]

the 'large' slide motors are 500:1, with the smaller slides using 300:1...both look identical.

as for the replacement, it's not really 'hard' labor, it's really just the 'unknown' when you've not done it before. My Palazzo floorplan is probably very close to your Miramar, but floorplans and 'where' each slide is within the coach will determine whether each motor is 'easy' to get to, or not. My rear main slide motor, in the bedroom, is quite easy to get to, while the other three, not so much. Most of the time it's because the slide's wood trim is blocking the view.

steps:
- run the slide out at least 6 to 8" to access the outside motor retention screw, usually under the rubber 'seal' near the top. This screw simply helps keep the motor from riding 'up' as the torque is applied when operating. If you can't get the slide to run out, then first unplug the motor's wire harness from it's controller, usually located in the outside cargo bay underneath the slide area. It's probably mounted on the wall of the bay. This releases the 'brakes' and allows you to physically push the slide out from the inside. You can even have someone push the slide switch while you push the end of the slide from the inside. Or, you can remove both motor harnesses and try to push both ends manually, especially doable on smaller bedroom slides.

- after removing the outside motor screw, peel back the top corner of the seal on the inside, revealing the top of the motor and wiring harness. The harness is usually made up of small wires - be careful as you unplug it from the motor. The motor has a circular circuit board on top, so be careful as you slowly pull the motor straight up to remove it from the column shaft. You may have to wiggle it or angle it a certain way to get it all the way out. Now you can see that it has a shaft at the bottom, which has an indention on one side. This is how it sits within the column gear to provide the torque as it turns the gear column of the slide.

- go out and reattach the motor controller wiring harness(s) in the cargo bay, so that you'll have power to 'test' the new motor

- reattach the wiring harness to the new motor, and simply hold it by it's sides while someone pushes the slide switch for just a quick moment. You should feel the motor operate while the bottom shaft turns. If this is successful, then reinstall the motor in the gear shaft column, just like you removed it. Make sure that it is sitting all the way down into the gear shaft pocket.

- now, you can 'test' the install by having someone push the slide switch for a moment, while you see that the motor is turning and the slide moves slightly. Make sure the push the motor back down if it moved up slightly during the test.

- lastly, go out and screw in the outside motor retention screw, which should re-engage within the motor's screw 'slot'. This will keep the motor from riding 'up' as the slide moves.

- try the slide now and make sure that everything is 'back to normal' for operation